CN202157942U - Double-moving oil outlet valve pipe type oil pump - Google Patents
Double-moving oil outlet valve pipe type oil pump Download PDFInfo
- Publication number
- CN202157942U CN202157942U CN2011202503350U CN201120250335U CN202157942U CN 202157942 U CN202157942 U CN 202157942U CN 2011202503350 U CN2011202503350 U CN 2011202503350U CN 201120250335 U CN201120250335 U CN 201120250335U CN 202157942 U CN202157942 U CN 202157942U
- Authority
- CN
- China
- Prior art keywords
- valve
- moves
- valve body
- plunger
- box cupling
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
- 230000009182 swimming Effects 0.000 claims description 9
- 239000003129 oil well Substances 0.000 abstract description 8
- 238000000605 extraction Methods 0.000 abstract description 2
- 230000008878 coupling Effects 0.000 abstract 2
- 238000010168 coupling process Methods 0.000 abstract 2
- 238000005859 coupling reaction Methods 0.000 abstract 2
- 230000006835 compression Effects 0.000 abstract 1
- 238000007906 compression Methods 0.000 abstract 1
- 230000000694 effects Effects 0.000 abstract 1
- 230000002035 prolonged effect Effects 0.000 abstract 1
- 238000011084 recovery Methods 0.000 description 3
- 238000001514 detection method Methods 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
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- Details Of Reciprocating Pumps (AREA)
Abstract
The double-moving oil outlet valve pipe type oil pump is applied to mechanical oil extraction of oil wells in oil fields. The lower end of the pump barrel is connected with a lower coupling, and the lower end of the lower coupling is connected with a fixed valve assembly; a traveling plunger assembly is arranged in the pump barrel and comprises a cylindrical plunger body, and the plunger body is provided with a central hole; the upper end of the plunger body is connected with a compression joint and a first traveling valve body in a threaded manner, and a first traveling valve ball and a first traveling valve seat are arranged in the first traveling valve body; the lower end of the plunger body is connected with a second movable valve body and a lower pressing joint; and a second traveling valve ball and a second traveling valve seat are arranged in the second traveling valve body. The effect is as follows: the standard structure of the conventional tube pump is changed. When in use, the oil outlet joint is not worn, and the service life is correspondingly prolonged; and the closed valve cover has better strength.
Description
Technical field
The utility model relates to technical field of petroleum extraction, and particularly a kind of down-hole tubing pump is an a kind of pair of swimming type outlet valve tubing pump.
Background technique
At present, mechanical oil recovery is the main means of field produces, and oil well pump is one of capital equipment of mechanical oil recovery.Generally all there is the outlet valve easy-rupturing in the oil well pump that use in each oil field, pump short problem in working life.All in the combination of optimizing oil pick-up tube, sucker rod, oil well pump, purpose will prolong pump detection period exactly in each oil recovery factory, improves pump efficiency, increases crude output.
The model utility content
The purpose of the utility model is: provide a kind of pair of swimming type outlet valve tubing pump to prolong oil well pump working life, prolong pump detection period, improve pump efficiency, increase crude output.Overcome the easily broken problem of oil-release valve cover on the conventional oil well pump,
The technological scheme that the utility model adopts is: two swimming type outlet valve tubing pumps; Mainly by last box cupling, pump barrel, box cupling, move about plunger piston assembly and standing valve assembly are formed down; Screw top at pump barrel is connected with box cupling on; There is internal thread the upper end of last box cupling, can be connected the lower end of flow string.Be connected with box cupling down in the lower end of pump barrel, the lower end of following box cupling is connected with the standing valve assembly; It is characterized in that: the plunger piston assembly of moving about is arranged in pump barrel, and the described plunger piston assembly that moves about comprises cylinder bodily form plunger body, and plunger body has center hole, between plunger body outer wall and the pump barrel inwall movingly; Pressed joint on the upper end of plunger body is threaded, last pressed joint upper end are fixed with first valve body that moves about, and moving about first has first valve ball and first valve seat that moves about that moves about in the valve body; First move about valve body the upper end connect a delivery connection, on the wall of delivery connection transverse holes is arranged, in the upper end of delivery connection internal thread is arranged, can be connected with sucker rod.Second valve body that moves about that is threaded in the lower end of plunger body, second move about valve body the lower end be connected with down pressed joint, following pressed joint is the cylinder bodily form, following pressed joint has center hole; Moving about second has second valve ball and second valve seat that moves about that moves about in the valve body.Described standing valve assembly is made up of fixed valve ball, fixed valve base, fixed valve body and standing valve lower contact, and the upper end of fixed valve body is connected down the lower end of box cupling; The standing valve lower contact that is threaded of the lower end of fixed valve body has the fixed valve base of ring in standing valve lower contact roof anchorage, and a fixed valve ball is arranged on fixed valve base.
The beneficial effect of the utility model: the two swimming type outlet valve tubing pumps of the utility model have changed the normal structure of conventional tubing pump.In use, delivery connection is not frayed, corresponding prolongation of life-span; And closed cage intensity is better, though with the valve ball gouging abrasion, its life-span is also long than open type valve cover; This textural association solves the easily broken problem of conventional oil well pump oil-release valve cover preferably, and the prolongation oil well pump has good practical values more than 8 months working life.
Description of drawings
Fig. 1 is the two swimming type outlet valve tubing pump structural profile schematic representation of the utility model.
Among the figure, the last box cupling of 1-, 2-delivery connection, 3-pump barrel, 4-first valve body that moves about; 5-first valve ball that moves about, 6-first valve seat that moves about, the last pressed joint of 7-, 8-plunger body, 9-second valve body that moves about; 10-second valve ball that moves about, 11-second valve seat that moves about, pressed joint under the 12-, box cupling under the 13-; The 14-fixed valve ball, 15-fixed valve base, 16-fixed valve body, the lower contact of 17-standing valve.
Embodiment
Embodiment 1: with two swimming type outlet valve tubing pumps is example, and the utility model is done further explain.
Consult Fig. 1.The two swimming type outlet valve tubing pumps of the utility model are mainly by last box cupling 1, pump barrel 3, box cupling 13, move about plunger piston assembly and standing valve assembly are formed down.
Screw top at pump barrel 3 is connected with box cupling 1 on, and there is internal thread the upper end of last box cupling 1, can be connected the lower end of flow string.Be connected with box cupling 13 down in the lower end of pump barrel 3, the lower end of following box cupling 13 is connected with the standing valve assembly.
In pump barrel 3, the plunger piston assembly of moving about is arranged, the described plunger piston assembly that moves about comprises cylinder bodily form plunger body 8, and plunger body 8 has center hole, between plunger body 8 outer walls and pump barrel 3 inwalls movingly.Pressed joint 7 on one is threaded in the upper end of plunger body 8.Last pressed joint 7 has center hole for the cylinder bodily form, and there is outside thread at two ends.Last pressed joint 7 upper ends are fixed with first valve body 4 that moves about, and moving about first has first valve ball 5 and first valve seat 6 that moves about that moves about in the valve body 4; First move about valve body 4 the upper end connect a delivery connection 2, be evenly distributed with four transverse holes on the wall of delivery connection 2, in the upper end of delivery connection 2 internal thread is arranged, can be connected with sucker rod.Second the move about lower end of valve body 9 of valve body 9, the second of moving about that is threaded in the lower end of plunger body 8 is connected with a following pressed joint 12, and following pressed joint 12 is the cylinder bodily form, and following pressed joint 12 has center hole, and following pressed joint 12 lower end outer walls have conical surface.Moving about second has second valve ball 10 and second valve seat 11 that moves about that moves about in the valve body 9.
Described standing valve assembly is made up of fixed valve ball 14, fixed valve base 15, fixed valve body 16 and standing valve lower contact 17, and the upper end of fixed valve body 16 is connected down the lower end of box cupling 13; The standing valve lower contact 17 that is threaded of the lower end of fixed valve body 16 has the fixed valve base 15 of ring in standing valve lower contact 17 roof anchorage, and a fixed valve ball 14 is arranged on fixed valve base 15.
Claims (1)
1. two swimming type outlet valve tubing pump; Mainly by last box cupling (1), pump barrel (3), box cupling (13), move about plunger piston assembly and standing valve assembly are formed down; Screw top at pump barrel (3) is connected with a upward box cupling (1), and there is internal thread the upper end of last box cupling (1); Be connected with box cupling (13) down in the lower end of pump barrel (3), the lower end of following box cupling (13) is connected with the standing valve assembly; It is characterized in that: in pump barrel (3), the plunger piston assembly of moving about is arranged, the described plunger piston assembly that moves about comprises cylinder bodily form plunger body (8), and plunger body (8) has center hole, between plunger body (8) outer wall and pump barrel (3) inwall movingly; Be threaded in the upper end of plunger body (8) and go up pressed joint (7), be fixed with first valve body (4) that moves about on the last pressed joint (7), moving about first has first valve ball (5) and first valve seat (6) that moves about that moves about in the valve body (4); First move about valve body (4) the upper end connect a delivery connection (2), on the wall of delivery connection (2) transverse holes is arranged, in the upper end of delivery connection (2) internal thread is arranged; Second valve body (9) that moves about that is threaded in the lower end of plunger body (8), second move about valve body (9) the lower end be connected with down pressed joint (12), following pressed joint (12) is the cylinder bodily form, following pressed joint (12) has center hole; Moving about second has second valve ball (10) and second valve seat (11) that moves about that moves about in the valve body (9); Described standing valve assembly is made up of fixed valve ball (14), fixed valve base (15), fixed valve body (16) and standing valve lower contact (17), and the upper end of fixed valve body (16) is connected down the lower end of box cupling (13); The standing valve lower contact (17) that is threaded of the lower end of fixed valve body (16) has the fixed valve base (15) of ring in the roof anchorage of standing valve lower contact (17), and a fixed valve ball (14) is arranged on fixed valve base (15).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011202503350U CN202157942U (en) | 2011-07-15 | 2011-07-15 | Double-moving oil outlet valve pipe type oil pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011202503350U CN202157942U (en) | 2011-07-15 | 2011-07-15 | Double-moving oil outlet valve pipe type oil pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202157942U true CN202157942U (en) | 2012-03-07 |
Family
ID=45765583
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011202503350U Expired - Lifetime CN202157942U (en) | 2011-07-15 | 2011-07-15 | Double-moving oil outlet valve pipe type oil pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202157942U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108843545A (en) * | 2018-07-19 | 2018-11-20 | 胜利油田金岛实业有限责任公司 | A kind of anti-pollution draining oil well pump of environmental protection |
| CN111535779A (en) * | 2020-04-23 | 2020-08-14 | 河南福侨石油装备有限公司 | Traveling valve and forced-closing anti-blocking oil well pump |
| CN114320859A (en) * | 2022-01-18 | 2022-04-12 | 东北石油大学 | Flexible oil-well pump of valves tracking motion type horizontal well |
-
2011
- 2011-07-15 CN CN2011202503350U patent/CN202157942U/en not_active Expired - Lifetime
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108843545A (en) * | 2018-07-19 | 2018-11-20 | 胜利油田金岛实业有限责任公司 | A kind of anti-pollution draining oil well pump of environmental protection |
| CN108843545B (en) * | 2018-07-19 | 2023-07-28 | 胜利油田金岛实业有限责任公司 | Environment-friendly anti-pollution oil drain oil pump |
| CN111535779A (en) * | 2020-04-23 | 2020-08-14 | 河南福侨石油装备有限公司 | Traveling valve and forced-closing anti-blocking oil well pump |
| CN114320859A (en) * | 2022-01-18 | 2022-04-12 | 东北石油大学 | Flexible oil-well pump of valves tracking motion type horizontal well |
| CN114320859B (en) * | 2022-01-18 | 2023-09-01 | 东北石油大学 | Valve group tracking movement type flexible oil pump for horizontal well |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20120307 |
|
| CX01 | Expiry of patent term |